Plotter preferences

calculatorpp/res/layout/ad.xml

@@ -3,4 +3,4 @@
 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
               a:id="@+id/ad_parent_view"
               a:layout_width="match_parent"
-              a:layout_height="75px"/>
+              a:layout_height="wrap_content"/>

calculatorpp/res/layout/help_faq_fragment.xml

@@ -17,6 +17,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ScrollView a:layout_width="match_parent"
                 a:layout_height="wrap_content">
 

calculatorpp/res/layout/help_hints_fragment.xml

@@ -16,6 +16,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ScrollView a:layout_width="match_parent"
                 a:layout_height="match_parent">
 

calculatorpp/res/layout/help_screens_fragment.xml

@@ -16,6 +16,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ScrollView a:layout_width="match_parent"
                 a:layout_height="match_parent">
 

calculatorpp/res/layout/history_fragment.xml

@@ -11,6 +11,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ListView style="?fragmentListViewStyle"/>
 
 </LinearLayout>

calculatorpp/res/layout/math_entities_fragment.xml

@@ -11,6 +11,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ListView style="?fragmentListViewStyle"/>
 
 </LinearLayout>

calculatorpp/res/layout/plot_fragment.xml

@@ -11,4 +11,7 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
+
 </LinearLayout>

calculatorpp/res/layout/vars_fragment.xml

@@ -17,6 +17,8 @@
               a:layout_width="match_parent"
               style="?fragmentTitleStyle"/>
 
+    <include layout="@layout/ad"/>
+
     <ListView style="?fragmentListViewStyle"/>
 
 </LinearLayout>

calculatorpp/res/menu/plot_menu.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+  ~ For more information, please, contact se.solovyev@gmail.com
+  ~ or visit http://se.solovyev.org
+  -->
+
+<menu xmlns:a="http://schemas.android.com/apk/res/android">
+
+	<item a:id="@+id/menu_plot_settings"
+		  a:title="@string/c_settings"
+          a:icon="@drawable/ab_settings"
+          a:showAsAction="always"/>
+</menu>

calculatorpp/res/menu/var_menu.xml

@@ -10,5 +10,6 @@
 
 	<item a:id="@+id/var_menu_add_var"
 		  a:title="@string/c_add"
+          a:icon="@drawable/ab_add"
           a:showAsAction="always"/>
 </menu>

calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorActivityHelperImpl.java

@@ -201,11 +201,22 @@ public class CalculatorActivityHelperImpl extends AbstractCalculatorHelper imple
 
     @Override
     public void setFragment(@NotNull SherlockFragmentActivity activity, @NotNull CalculatorFragmentType fragmentType, @Nullable Bundle fragmentArgs, int parentViewId) {
-        final Fragment fragment = Fragment.instantiate(activity, fragmentType.getFragmentClass().getName(), fragmentArgs);
         final FragmentManager fm = activity.getSupportFragmentManager();
+
+        Fragment fragment = fm.findFragmentByTag(fragmentType.getFragmentTag());
+        if (fragment == null) {
+            fragment = Fragment.instantiate(activity, fragmentType.getFragmentClass().getName(), fragmentArgs);
             final FragmentTransaction ft = fm.beginTransaction();
-        ft.add(parentViewId, fragment);
+            ft.add(parentViewId, fragment, fragmentType.getFragmentTag());
             ft.commit();
+        } else {
+            if ( fragment.isDetached() ) {
+                final FragmentTransaction ft = fm.beginTransaction();
+                ft.attach(fragment);
+                ft.commit();
+            }
+
+        }
     }
 
     @Override

calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorFragmentHelperImpl.java

@@ -9,7 +9,6 @@ import com.google.ads.AdView;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.solovyev.android.ads.AdsController;
-import org.solovyev.android.calculator.plot.CalculatorPlotFragment;
 
 /**
  * User: serso
@@ -89,12 +88,14 @@ public class CalculatorFragmentHelperImpl extends AbstractCalculatorHelper imple
 
     @Override
     public void onViewCreated(@NotNull Fragment fragment, @NotNull View root) {
+        final ViewGroup adParentView = (ViewGroup) root.findViewById(R.id.ad_parent_view);
         final ViewGroup mainFragmentLayout = (ViewGroup) root.findViewById(R.id.main_fragment_layout);
-        if (mainFragmentLayout != null) {
-            if (!(fragment instanceof CalculatorPlotFragment)) {
+
+        if (adParentView != null) {
+            adView = AdsController.getInstance().inflateAd(fragment.getActivity(), adParentView, R.id.ad_parent_view);
+        } else if ( mainFragmentLayout != null ) {
             adView = AdsController.getInstance().inflateAd(fragment.getActivity(), mainFragmentLayout, R.id.main_fragment_layout);
         }
-        }
 
         processButtons(fragment.getActivity(), root);
 

calculatorpp/src/main/java/org/solovyev/android/calculator/plot/CalculatorPlotFragment.java

@@ -35,7 +35,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.solovyev.android.calculator.*;
 import org.solovyev.android.menu.ActivityMenu;
-import org.solovyev.android.menu.LabeledMenuItem;
+import org.solovyev.android.menu.IdentifiableMenuItem;
 import org.solovyev.android.menu.ListActivityMenu;
 import org.solovyev.android.sherlock.menu.SherlockMenuHelper;
 import org.solovyev.common.MutableObject;
@@ -83,16 +83,16 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
     @NotNull
     private PreparedInput preparedInput;
 
+    @Nullable
+    private Input input;
+
     @NotNull
     private CalculatorEventData lastCalculatorEventData = CalculatorUtils.createFirstEventDataId();
 
     private int bgColor;
 
-    @Nullable
-    private PlotBoundaries plotBoundaries = null;
-
     @NotNull
-    private ActivityMenu<Menu, MenuItem> fragmentMenu = ListActivityMenu.fromList(PlotMenu.class, SherlockMenuHelper.getInstance());
+    private ActivityMenu<Menu, MenuItem> fragmentMenu = ListActivityMenu.fromResource(R.menu.plot_menu, PlotMenu.class, SherlockMenuHelper.getInstance());
 
     public CalculatorPlotFragment() {
         super(CalculatorApplication.getInstance().createFragmentHelper(R.layout.plot_fragment, R.string.c_graph, false));
@@ -104,25 +104,21 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
 
         final Bundle arguments = getArguments();
 
-        Input input = null;
         if (arguments != null) {
             input = (Input) arguments.getSerializable(INPUT);
         }
 
         if (input == null) {
-            this.preparedInput = prepareInputFromDisplay(CalculatorLocatorImpl.getInstance().getDisplay().getViewState());
             this.bgColor = getResources().getColor(R.color.pane_background);
         } else {
-            this.preparedInput = prepareInput(input, true);
             this.bgColor = getResources().getColor(android.R.color.transparent);
         }
 
-        setRetainInstance(true);
         setHasOptionsMenu(true);
     }
 
     @NotNull
-    private static PreparedInput prepareInputFromDisplay(@NotNull CalculatorDisplayViewState displayState) {
+    private static PreparedInput prepareInputFromDisplay(@NotNull CalculatorDisplayViewState displayState, @Nullable Bundle savedInstanceState) {
         try {
             if (displayState.isValid() && displayState.getResult() != null) {
                 final Generic expression = displayState.getResult();
@@ -130,7 +126,7 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
                     final Constant constant = CollectionsUtils.getFirstCollectionElement(CalculatorUtils.getNotSystemConstants(expression));
 
                     final Input input = new Input(expression.toString(), constant.getName());
-                    return prepareInput(input, false);
+                    return prepareInput(input, false, savedInstanceState);
                 }
             }
         } catch (RuntimeException e) {
@@ -141,7 +137,7 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
     }
 
     @NotNull
-    private static PreparedInput prepareInput(@NotNull Input input, boolean fromInputArgs) {
+    private static PreparedInput prepareInput(@NotNull Input input, boolean fromInputArgs, @Nullable Bundle savedInstanceState) {
         PreparedInput result;
 
         try {
@@ -149,7 +145,12 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
             final Generic expression = Expression.valueOf(preparedExpression.getExpression());
             final Constant variable = new Constant(input.getVariableName());
 
-            result = PreparedInput.newInstance(input, expression, variable, fromInputArgs);
+            PlotBoundaries plotBoundaries = null;
+            if ( savedInstanceState != null ) {
+                plotBoundaries = (PlotBoundaries)savedInstanceState.getSerializable(PLOT_BOUNDARIES);
+            }
+
+            result = PreparedInput.newInstance(input, expression, variable, fromInputArgs, plotBoundaries);
         } catch (ParseException e) {
             result = PreparedInput.newErrorInstance(fromInputArgs);
             CalculatorLocatorImpl.getInstance().getNotifier().showMessage(e);
@@ -174,20 +175,13 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
     }
 
     @Override
-    public void onViewCreated(View root, Bundle savedInstanceState) {
-        super.onViewCreated(root, savedInstanceState);
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
 
-
-        /*if ( savedInstanceState != null ) {
-            final Object object = savedInstanceState.getSerializable(PLOT_BOUNDARIES);
-            if ( object instanceof PlotBoundaries) {
-                plotBoundaries = ((PlotBoundaries) object);
-            }
-        }*/
-
-        if (preparedInput.isFromInputArgs()) {
-            createChart();
-            createGraphicalView(root, null);
+        if (input == null) {
+            this.preparedInput = prepareInputFromDisplay(CalculatorLocatorImpl.getInstance().getDisplay().getViewState(), savedInstanceState);
+        } else {
+            this.preparedInput = prepareInput(input, true, savedInstanceState);
         }
     }
 
@@ -204,12 +198,8 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
     public void onResume() {
         super.onResume();
 
-        if (!preparedInput.isFromInputArgs()) {
-            this.preparedInput = prepareInputFromDisplay(CalculatorLocatorImpl.getInstance().getDisplay().getViewState());
-        }
-
         createChart();
-        createGraphicalView(getView(), plotBoundaries);
+        createGraphicalView(getView(), this.preparedInput.getPlotBoundaries());
     }
 
     private void createGraphicalView(@NotNull View root, @Nullable PlotBoundaries plotBoundaries) {
@@ -342,7 +332,6 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
                                     Toast.makeText(CalculatorPlotFragment.this.getActivity(), "Arithmetic error: " + e.getLocalizedMessage(), Toast.LENGTH_LONG).show();
                                 }
 
-                                if (pendingOperation.getObject() == this) {
                                 uiHandler.post(new Runnable() {
                                     @Override
                                     public void run() {
@@ -350,7 +339,6 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
                                     }
                                 });
                             }
-                            }
                         });
                     }
                 }
@@ -371,7 +359,7 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
                 if (calculatorEventData.isAfter(this.lastCalculatorEventData)) {
                     this.lastCalculatorEventData = calculatorEventData;
 
-                    this.preparedInput = prepareInputFromDisplay(((CalculatorDisplayChangeEventData) data).getNewValue());
+                    this.preparedInput = prepareInputFromDisplay(((CalculatorDisplayChangeEventData) data).getNewValue(), null);
                     createChart();
 
 
@@ -380,7 +368,7 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
                         public void run() {
                             final View view = getView();
                             if (view != null) {
-                                createGraphicalView(view, null);
+                                createGraphicalView(view, preparedInput.getPlotBoundaries());
                             }
                         }
                     });
@@ -389,11 +377,6 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
         }
     }
 
-    /*@Override
-    public Object onRetainNonConfigurationInstance() {
-        return new PlotBoundaries(chart.getRenderer());
-    }*/
-
 
 /*    public void zoomInClickHandler(@NotNull View v) {
         this.graphicalView.zoomIn();
@@ -444,25 +427,26 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
     **********************************************************************
     */
 
-    private static enum PlotMenu implements LabeledMenuItem<MenuItem> {
+    private static enum PlotMenu implements IdentifiableMenuItem<MenuItem> {
 
-        preferences(R.string.c_settings) {
+        preferences(R.id.menu_plot_settings) {
             @Override
             public void onClick(@NotNull MenuItem data, @NotNull Context context) {
                 context.startActivity(new Intent(context, CalculatorPlotPreferenceActivity.class));
             }
         };
 
-        private final int captionResId;
+        private final int itemId;
 
-        private PlotMenu(int captionResId) {
-            this.captionResId = captionResId;
+        private PlotMenu(int itemId) {
+            this.itemId = itemId;
         }
 
+
         @NotNull
         @Override
-        public String getCaption(@NotNull Context context) {
-            return context.getString(captionResId);
+        public Integer getItemId() {
+            return itemId;
         }
     }
 
@@ -507,17 +491,21 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
 
         private boolean fromInputArgs;
 
+        @Nullable
+        private PlotBoundaries plotBoundaries = null;
+
         private PreparedInput() {
         }
 
         @NotNull
-        public static PreparedInput newInstance(@NotNull Input input, @NotNull Generic expression, @NotNull Constant variable, boolean fromInputArgs) {
+        public static PreparedInput newInstance(@NotNull Input input, @NotNull Generic expression, @NotNull Constant variable, boolean fromInputArgs, @Nullable PlotBoundaries plotBoundaries) {
             final PreparedInput result = new PreparedInput();
 
             result.input = input;
             result.expression = expression;
             result.variable = variable;
             result.fromInputArgs = fromInputArgs;
+            result.plotBoundaries = plotBoundaries;
 
             return result;
         }
@@ -548,6 +536,11 @@ public class CalculatorPlotFragment extends CalculatorFragment implements Calcul
             return expression;
         }
 
+        @Nullable
+        public PlotBoundaries getPlotBoundaries() {
+            return plotBoundaries;
+        }
+
         @Nullable
         public Constant getVariable() {
             return variable;